Island



(No Model.)

P. W. LIPPITT.

- FURNAGB GRATE. No. 345,792. Patented July 20, 1886.

g 21 a S/ 6 Win/E5555 5,7NVENIZZR U ITED STATES PATENT OFFICE.

PELEG V. LIPPIT'I, OF PROVIDENCE, RHODE ISLAND.

FURNACE GRATE.

SPECIFICATION forming part of Letters Patent No. 3 15,792, dated July20,1886.

Application filed February 28, 1884. Serial. No. 122,316. (No model.)

T0 at whom it may concern:

Be it known that 1', Prime XV. LIPPITT, of Providence, county ofProvidence, and State of Rhode Island, have invented an ImprovedFurnace-Grate, as hereinafter fully set forth.

The object of my invention is a cheap grate which can be both shaken anddumped, constructed with especial reference to utilizing the bearings ofthose now in use.

Figure l of the accompanying drawings, which form a part of thisspecification, is a plan view of my grate, dotted lines indicating partsthat would not otherwise appear; Fig. 2, a longitudinal section thereofthrough the center, and Fig. 3 a perspective view, one section of itbeing tilted, as when dumping the coal.

It is represented as secured in the frame H H, which frame is intendedto represent the sides ofthe boiler or of whatever constitutes the sidesof the fire-box. Upon the pins A A A A, which are supported therein, thetwo parts of the grate B B are free to revolve, as represented in Fig.3. Out of the center of the grate thus com posed of these two parts(which is a common construction) I cut a circular opening as largeas thegrate will admit of, leaving in each part two bearings, a. I) and c d,the top of which are on a line with the center of the pins which supportthe corresponding portions of the grate, as stated. Upon these hearingsI place a circular grate, D, having on the under side thereof a rim, 0.(Seen in Fig. 2.) In case an oblong grate be used as the centralsection, it is essential to have a shield on each of the sidesections,to prevent the coal from getting between the central and sidesections when shaking down the ashes. These bearings being thus placed,whether short, as represented, or extended so as to meet and form onecontinuous bearing, supportthis part of the grate,while permitting bothof the other parts to be turned independent of it, for the purpose setforth.

0 is a depending lug (seen in Fig. 2) having an aperture for securingthe rod G, by means of which this portion of the grate is shaken.

That I claim as new, and desire to secure by Letters Patent, is-

1. A furnacegratc composed of a central circular shaking section and twolongitudinal dumping sections surrounding the shaking section andsupporting the same, combined and arranged as described.

2. A furnaccgrate having a central shaking sectiou,iu combination withtwo surrounding dumping sections,by which it is supported, but which areleft free to turn, substantially as described.

3. The combination, with the two dumping parts B and B ofafurnace-grate, of a central shaking section, D, resting upon thebearings a I) and c (1, arranged to operate substantially as described,together with a device for oper ating the central section.

' PELEG \V. LIPPITT.

Vitnesses:

J OSEPH H. PERKINS, DEXTER M. SMALL.

